#ifdef SI
#define UNIT cm
#define DEF 2.5,2.5
#else
#define UNIT inch
#define DEF 1,1
#endif
.TP
.B \-X \-Y
Shift origin of plot by (\fIx-shift,y-shift\fP) UNIT  [Default is (DEF) for new plots, (0,0) for overlays].
